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Finding the Fourth Proportional to 494,951.80, 742,520.04 and 228,536.32

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Solution

The fourth proportional to 494,951.80, 742,520.04 and 228,536.32 is: 342,847.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,951.80 : 742,520.04 = 228,536.32 : x
  2. Step 2: Convert to fraction form
    494,951.80/742,520.04 = 228,536.32/x
  3. Step 3: Cross multiply
    494,951.80x = 742,520.04 × 228,536.32
  4. Step 4: Simplify right side
    494,951.80x = 169,692,797,467.85
  5. Step 5: Solve for x
    x = 169,692,797,467.85/494,951.80
  6. Step 6: Final answer
    x = 342,847.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.